40
6
Start-up
Installation & Service Manual
Initial Start-up
Follow the Lighting Instructions on the label applied to the
appliance.
A. On boilers with the system pump delay option, the
operating temperature control will energize the
pump relay which energizes the pump on a call for
heat. The operating temperature control will de-
energize the pump relay approximately 30 seconds
after the call for heat ends. If either the inlet sensor
or the optional multi-purpose temperature sensor
reads below 40°F, the pump relay will turn ON.
When the temperature rises above 50°F the pump
relay will turn OFF.
On boilers, the pump will operate whenever the “W”
terminal is energized.
B. Location - The appliance should be located within a
room having a temperature safely above freezing
[32°F(0°C)].
C. Shutdown and Draining - If, for any rea
son,
the appliance is shut off, the following
pre cau tion ary measures must be taken:
1. Shut off gas supply,
2. Shut off water supply.
3. Shut off electrical supply.
4. Drain the heat exchanger completely. Re move one
3/8" NPT plug or bulbwell from the inlet side and
one from the outlet side of the front head er of the
heat exchanger.
5. Drain the pump. Remove the 3/4" plug in the
performance loop.
Pre-start Checklist
1.
Inspect the burners to be sure they are prop er ly aligned.
2.
Inspect the pilot gas line, thermocouple leads, ignition
leads and wire connections to the gas valve to be sure
none were damaged during shipment.
3.
Check to ensure that gas connections have been made
properly and the gas line is purged of air.
4.
Check to ensure that water connections are tight and the
appliance and piping system have been properly filled.
5.
Ensure that discharge from the relief valve has been
piped to a floor drain.
6.
Verify that properly sized combustion and
ven ti la tion air openings are provided and not obstructed
in any way.
7.
Check carefully for gas leaks.
8.
Read the appliance’s safety warnings, light ing instructions
and check out procedure carefully, be fore firing the system.
Lighting Instructions for Spark Ignition
Pilot Models
FOR YOUR SAFETY READ BEFORE
OPERATING
WARNING
If you do not follow these instructions
exactly, a fire or explosion may result
causing property damage, personal injury or
loss of life.
A. This appliance is equipped with an ignition device
which automatically lights the pilot. Do not try to light
the pilot by hand.
B.
BEFORE OPERATING
, smell around the appliance
area for gas. Be sure to smell next to the floor because
some gas is heavier than air and will settle to the floor.
WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.
Do not touch any electric switch; do not use any phone
in your building.
Immediately call your gas supplier from a near by
phone. Follow the gas supplier’s instructions.
If you cannot reach your gas supplier, call the fire
department.
C. Use only your hand to turn the gas control knob.
Never use tools. If the knob will not turn by hand,
don’t try to repair it, call a qualified ser vice technician.
Force or attempted repair may result in a fire or
explosion.
D. Do not use this appliance if any part has been under
water. Immediately call a qualified service technician
to inspect the appliance. The pos si ble damage to a
flooded appliance can be extensive and present
numerous safety hazards. Any appliance that has been
under water must be replaced.
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